<!doctype html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <title>RequestDemo</title>
</head>
<body>
<form action="/yourApp/requestDemo" method="post">
    用户名：<input type="text" name="username"><br>
    爱好：<input type="checkbox" name="hobby" value="运动">运动
    <input type="checkbox" name="hobby" value="音乐">音乐<br>
    <input type="submit" value="提交">
</form>
</body>
</html>